.btn{
    font-size: 20px;
    margin: 10px;
    background-color: antiquewhite;
}
.touxiang{
    text-align: center;
    background-color: aquamarine;
    height: 70px;
    width: 70px;
    border-radius: 35PX;
}
.left{
    float: left;
}
.right{
    float: right;
    margin-right: 40px;
}